South Korea's Lotte Duty Free says website crashed after attack from Chinese IPs

By Joyce Lee and Heekyong YangSEOUL (Reuters) - Lotte Duty Free on Thursday said a cyber attack using Chinese internet protocol (IP) addresses has crashed its website, the latest report of irregularity from a South Korean firm in China since Seoul decided to deploy a U.S. missile defense system.A distributed denial-of-service (DDoS) attack, which overloads servers with requests, began slowing all four language versions of the website at 11:00 a.m. (0200 GMT) and crashed them all around 12:00 p.m